How do you stop outgoing spam?

Tue Sep 10 13:39:31 UTC 2002

> If somebody is ignorant enough to implement IP over HTTP, why should
> they be accommodated? There are numerous reasons why there are other 
> port numbers to TCP than 80 and other protocol numbers to IP than 6.

Unlike some people that immediately jump to conclusions, that someone may be
not arrogant, but bright - using port TCP 80 is an excellent way to bypass
firewalls. If your firewall performs content analysis, one can simply encode
the data in valid HTML code.

Alex